نتایج جستجو برای: phylogroups
تعداد نتایج: 239 فیلتر نتایج به سال:
Garlic common latent virus (GarCLV, Carlavirus), in co-infection, often worsens the severity of other Allium viruses on garlic (Allium sativum Linnaeus). The nucleotide (nt) and amino acid (aa) sequences TGB CP genes were analysed to get first deep insight into genomic variations population structure GarCLV. Global recombinant-free isolates clustered three clades both nt-based phylogenetic tree...
The aim of this study was to investigate the diversity of the Escherichia coli population, focusing on the occurrence of pathogenic E. coli, in surface water draining a rural catchment. Two sampling campaigns were carried out in similar hydrological conditions (wet period, low flow) along a river continuum, characterized by two opposite density gradients of animals (cattle and wild animals) and...
The study aims to identify phylogenetic groups and antibiotic susceptibility of poultry Escherichia coli (APEC) isolates. E. was phenotypically biochemically characterized. Isolates from 8/30 (26.66%) liver, 7/30 (23.33%) heart, 4/30 (13.33%) spleen 37-42 days old vaccinated broiler chickens were assessed. Then the isolates (19/90; 21.11%) phylogrouped by quadruplex genotyping based on presence...
Avian ESBL-producing Escherichia coli isolates have been increasingly reported worldwide. Animal to human dissemination, via food chain or direct contact, of these resistant bacteria has been reported. In Tunisia, little is known about avian ESBL- producing E. coli and further studies are needed. Seventeen ESBL-producing Escherichia coli isolates from poultry feces from two farms (Farm 1 and fa...
UNLABELLED Treponema species are implicated in many diseases of humans and animals. Digital dermatitis (DD) treponemes are reported to cause severe lesions in cattle, sheep, pigs, goats, and wild elk, causing substantial global animal welfare issues and economic losses. The fastidiousness of these spirochetes has previously precluded studies investigating within-phylogroup genetic diversity. An...
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